16361( 3) - 10-Jan-2022 12:40:14 - [ 1] HUBBLE SPACE TELESCOPE OBSERVING PROGRAM 16361 Version: 3 Check-in Time: 10-Jan-2022 12:40:14 STScI Edit Number: 1 Title A new reading of the core size-age distribution of LMC clusters: changing the paradigm of star cluster formation ------------------------------------------------------------------------------------ Type Cycle GO 28 ------------------------------------------------------------------------------------ Investigators Contact? PI: Prof. Francesco R. Ferraro Universita di Bologna Y CoI: Prof. Barbara Lanzoni Universita di Bologna N CoI: Dr. Emanuele Dalessandro INAF-Osservatorio di Astrofisica e Scienza N dello Spazio CoI: Dr. Enrico Vesperini Indiana University System N CoI: Dr. Cristina Pallanca Universita di Bologna N CoI: Dr. Giacomo Beccari European Southern Observatory - Germany N CoI: Dr. Alessio Mucciarelli Universita di Bologna N CoI: Dr. Mario Cadelano INAF-Osservatorio di Astrofisica e Scienza N dello Spazio CoI: Ms. Bhavana Bhat Universita di Bologna N ------------------------------------------------------------------------------------ Abstract The distribution of core radius (rc) versus chronological age for the globular clusters (GCs) in the Large Magellanic Cloud (LMC) is very peculiar: old GCs show a large spread in rc, while young clusters are all compact. The origin of such a distribution is largely debated and mostly interpreted in terms of an evolutionary sequence: all GCs formed with compact cores (rc<3 pc), then most of them maintained small cores, while several others experienced core expansion due to the heating action of binary black holes. This scenario is becoming the new paradigm of GC formation and evolution. However a new and more natural interpretation could exist: the spread in rc observed at fixed chronological age could be due to different levels of dynamical evolution (dynamical ages), with large-core GCs being dynamically-younger than those with small rc. This alternative scenario can now be tested since the level of dynamical evolution reached by a star cluster can be empirically measured from the level of central segregation of its Blue Straggler Star population. Here we propose deep WFC3 observations of 3 of the most compact (rc<0.8 pc), old, and still unexplored GCs in the LMC, to determine their dynamical age and definitely confirm this scenario. The scientific return of the project is huge: in fact, the correct interpretation of the rc-age distribution would not only shed light on the correct paradigm for GC formation, but would also raise new fundamental questions concerning the processes responsible for the observed differences between the structural properties of old and young LMC GCs. Because of the legacy value of the proposed observations, we waive the proprietary period. ------------------------------------------------------------------------------------ Observations Description ------------------------ The aim of the program is to measure the level of radial segregation of Blue Straggler Stars (BSSs) in 3 compact and old globular clusters (NGC1835, NGC1916, NGC1754) in the Large Magellanic Cloud, with the purpose of determining their dynamical age. A total of 12 primary orbits with the 16361( 3) - 10-Jan-2022 12:40:14 - [ 2] WFC3-UVIS are allocated to this program. To reach the goal, for each cluster we plan to secure 16 properly-dithered images in three filters: 6 images in filter F606W, 4 exposures in the F814W, and 6 in filter F300X. This guarantees to reach an adequate S/N ratio (>40) at the base of the BSS sequence. The exposures are organized in 2 visits per each cluster. Each visit is 2-orbits long. ACS/WFC Parallel observations through filters F606W and F814W (9 orbits in total, 3 per each clusters) are also planned to sample the LMC field population for a proper statistical decontamination of the cluster CMD from field interlopers. ------------------------------------------------------------------------------------ 16361( 3) - 10-Jan-2022 12:40:14 - [ 3] TARGET LIST Fixed Targets ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Target |Coord | Radial | Flux data No | Name | Description | Position |Eqnx | Vel. | ------------------------------------------------------------------------------------------------------------------------------------ 1 NGC1835 STELLAR CLUSTER, RA=05H05M6.7000S, J2000 V = 10.596 GLOBULAR CLUSTER DEC=-69D24'15.00" Reference Frame: ICRS ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC1916 STELLAR CLUSTER, RA=05H18M37.5000S, J2000 V = 10.38 GLOBULAR CLUSTER DEC=-69D24'25.00" Reference Frame: ICRS ------------------------------------------------------------------------------------------------------------------------------------ 3 NGC1754 STELLAR CLUSTER, RA=04H54M18.9000S, J2000 V = 11.57 GLOBULAR CLUSTER DEC=-70D26'31.00" Reference Frame: ICRS ------------------------------------------------------------------------------------------------------------------------------------ 16361( 3) - 10-Jan-2022 12:40:14 - [ 4] Visit: 01 (1835_VI) Visit Requirements: On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 NGC1835 WFC3/UVI ACCUM UVIS1 F814W 1 630 S (630 PAR 2 WITH 1 S S) ------------------------------------------------------------------------------------------------------------------------------------ 2 ANY ACS/WFC ACCUM WFC1 F814W 1 550 S (550 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 NGC1835 WFC3/UVI ACCUM UVIS1 F814W 1 700 S (700 POS TARG -0.099, -0.165; S S) PAR 4 WITH 3 ------------------------------------------------------------------------------------------------------------------------------------ 4 ANY ACS/WFC ACCUM WFC1 F814W 1 600 S (600 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 NGC1835 WFC3/UVI ACCUM UVIS1 F814W 1 700 S (700 POS TARG 0.059, -0.095; S S) PAR 6 WITH 5 ------------------------------------------------------------------------------------------------------------------------------------ 6 ANY ACS/WFC ACCUM WFC1 F814W 1 600 S (600 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 NGC1835 WFC3/UVI ACCUM UVIS1 F814W 1 645 S (645 POS TARG 0.218, -0.024; S S) PAR 8 WITH 7 ------------------------------------------------------------------------------------------------------------------------------------ 8 ANY ACS/WFC ACCUM WFC1 F606W 1 350 S (350 S) ------------------------------------------------------------------------------------------------------------------------------------ 9 NGC1835 WFC3/UVI ACCUM UVIS1 F606W 1 408 S (408 S S) ------------------------------------------------------------------------------------------------------------------------------------ 10 NGC1835 WFC3/UVI ACCUM UVIS1 F606W 1 408 S (408 POS TARG -0.099, -0.165 S S) ------------------------------------------------------------------------------------------------------------------------------------ 11 NGC1835 WFC3/UVI ACCUM UVIS1 F606W 1 408 S (408 POS TARG 0.059, -0.095 S S) ------------------------------------------------------------------------------------------------------------------------------------ 12 NGC1835 WFC3/UVI ACCUM UVIS1 F606W 1 408 S (408 POS TARG 0.218, -0.024 S S) ------------------------------------------------------------------------------------------------------------------------------------ 13 NGC1835 WFC3/UVI ACCUM UVIS1 F606W 1 407 S (407 POS TARG 0.158, 0.070 S S) ------------------------------------------------------------------------------------------------------------------------------------ 14 NGC1835 WFC3/UVI ACCUM UVIS1 F606W 1 407 S (407 POS TARG 0.099, 0.165 S S) ------------------------------------------------------------------------------------------------------------------------------------ 16361( 3) - 10-Jan-2022 12:40:14 - [ 5] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ NGC1835 1 WFC3/UVI ACCUM UVIS1 F814W none none none none 1 N/A S ANY 2 ACS/WFC ACCUM WFC1 F814W none none none none 1 N/A NGC1835 3 WFC3/UVI ACCUM UVIS1 F814W none none none none 1 N/A S ANY 4 ACS/WFC ACCUM WFC1 F814W none none none none 1 N/A NGC1835 5 WFC3/UVI ACCUM UVIS1 F814W none none none none 1 N/A S ANY 6 ACS/WFC ACCUM WFC1 F814W none none none none 1 N/A NGC1835 7 WFC3/UVI ACCUM UVIS1 F814W none none none none 1 N/A S ANY 8 ACS/WFC ACCUM WFC1 F606W none none none none 1 N/A NGC1835 9 WFC3/UVI ACCUM UVIS1 F606W none none none none 2 N/A S NGC1835 10 WFC3/UVI ACCUM UVIS1 F606W none none none none 2 N/A S NGC1835 11 WFC3/UVI ACCUM UVIS1 F606W none none none none 2 N/A S NGC1835 12 WFC3/UVI ACCUM UVIS1 F606W none none none none 2 N/A S NGC1835 13 WFC3/UVI ACCUM UVIS1 F606W none none none none 2 N/A S NGC1835 14 WFC3/UVI ACCUM UVIS1 F606W none none none none 2 N/A S 16361( 3) - 10-Jan-2022 12:40:14 - [ 6] Visit: 02 (1835_UV) Visit Requirements: AFTER 01 BY 0 H TO 3 H On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 NGC1835 WFC3/UVI ACCUM UVIS1 F300X FLASH=7 1 953 S (953 PAR 2-3 WITH 1 S S) ------------------------------------------------------------------------------------------------------------------------------------ 2 ANY ACS/WFC ACCUM WFC1 F606W 1 350 S (350 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 ANY ACS/WFC ACCUM WFC1 F606W 1 350 S (350 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 NGC1835 WFC3/UVI ACCUM UVIS1 F300X FLASH=7 1 920 S (920 POS TARG 0.218, -0.024; S S) PAR 5 WITH 4 ------------------------------------------------------------------------------------------------------------------------------------ 5 ANY ACS/WFC ACCUM WFC1 F814W 1 600 S (600 S) ------------------------------------------------------------------------------------------------------------------------------------ 6 NGC1835 WFC3/UVI ACCUM UVIS1 F300X FLASH=7 1 920 S (920 POS TARG 0.158, 0.070; S S) PAR 7 WITH 6 ------------------------------------------------------------------------------------------------------------------------------------ 7 ANY ACS/WFC ACCUM WFC1 F814W 1 600 S (600 S) ------------------------------------------------------------------------------------------------------------------------------------ 8 NGC1835 WFC3/UVI ACCUM UVIS1 F300X FLASH=7 1 917 S (917 POS TARG -0.099, -0.165; S S) PAR 9-10 WITH 8 ------------------------------------------------------------------------------------------------------------------------------------ 9 ANY ACS/WFC ACCUM WFC1 F606W 1 335 S (335 S) ------------------------------------------------------------------------------------------------------------------------------------ 10 ANY ACS/WFC ACCUM WFC1 F606W 1 340 S (340 S) ------------------------------------------------------------------------------------------------------------------------------------ 11 NGC1835 WFC3/UVI ACCUM UVIS1 F300X FLASH=7 1 900 S (900 POS TARG 0.099, 0.165; S S) PAR 12 WITH 11 ------------------------------------------------------------------------------------------------------------------------------------ 12 ANY ACS/WFC ACCUM WFC1 F814W 1 600 S (600 S) ------------------------------------------------------------------------------------------------------------------------------------ 13 NGC1835 WFC3/UVI ACCUM UVIS1 F300X FLASH=7 1 900 S (900 POS TARG 0.059, -0.095; S S) PAR 14-15 WITH 13 ------------------------------------------------------------------------------------------------------------------------------------ 14 ANY ACS/WFC ACCUM WFC1 F606W 1 340 S (340 S) ------------------------------------------------------------------------------------------------------------------------------------ 16361( 3) - 10-Jan-2022 12:40:14 - [ 7] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 15 ANY ACS/WFC ACCUM WFC1 F606W 1 340 S (340 S) ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ NGC1835 1 WFC3/UVI ACCUM UVIS1 F300X none none none none 1 N/A S ANY 2 ACS/WFC ACCUM WFC1 F606W none none none none 1 N/A ANY 3 ACS/WFC ACCUM WFC1 F606W none none none none 1 N/A NGC1835 4 WFC3/UVI ACCUM UVIS1 F300X none none none none 1 N/A S ANY 5 ACS/WFC ACCUM WFC1 F814W none none none none 1 N/A NGC1835 6 WFC3/UVI ACCUM UVIS1 F300X none none none none 1 N/A S ANY 7 ACS/WFC ACCUM WFC1 F814W none none none none 1 N/A NGC1835 8 WFC3/UVI ACCUM UVIS1 F300X none none none none 2 N/A S ANY 9 ACS/WFC ACCUM WFC1 F606W none none none none 2 N/A ANY 10 ACS/WFC ACCUM WFC1 F606W none none none none 2 N/A NGC1835 11 WFC3/UVI ACCUM UVIS1 F300X none none none none 2 N/A S ANY 12 ACS/WFC ACCUM WFC1 F814W none none none none 2 N/A NGC1835 13 WFC3/UVI ACCUM UVIS1 F300X none none none none 2 N/A S ANY 14 ACS/WFC ACCUM WFC1 F606W none none none none 2 N/A ANY 15 ACS/WFC ACCUM WFC1 F606W none none none none 2 N/A 16361( 3) - 10-Jan-2022 12:40:14 - [ 8] Visit: 03 (1916_VI) Visit Requirements: On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 NGC1916 WFC3/UVI ACCUM UVIS1 F814W 1 630 S (630 PAR 2 WITH 1 S S) ------------------------------------------------------------------------------------------------------------------------------------ 2 ANY ACS/WFC ACCUM WFC1 F814W 1 550 S (550 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 NGC1916 WFC3/UVI ACCUM UVIS1 F814W 1 700 S (700 POS TARG -0.099, -0.165; S S) PAR 4 WITH 3 ------------------------------------------------------------------------------------------------------------------------------------ 4 ANY ACS/WFC ACCUM WFC1 F814W 1 600 S (600 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 NGC1916 WFC3/UVI ACCUM UVIS1 F814W 1 700 S (700 POS TARG 0.059, -0.095; S S) PAR 6 WITH 5 ------------------------------------------------------------------------------------------------------------------------------------ 6 ANY ACS/WFC ACCUM WFC1 F814W 1 600 S (600 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 NGC1916 WFC3/UVI ACCUM UVIS1 F814W 1 645 S (645 POS TARG 0.218, -0.024; S S) PAR 8 WITH 7 ------------------------------------------------------------------------------------------------------------------------------------ 8 ANY ACS/WFC ACCUM WFC1 F606W 1 350 S (350 S) ------------------------------------------------------------------------------------------------------------------------------------ 9 NGC1916 WFC3/UVI ACCUM UVIS1 F606W 1 408 S (408 S S) ------------------------------------------------------------------------------------------------------------------------------------ 10 NGC1916 WFC3/UVI ACCUM UVIS1 F606W 1 408 S (408 POS TARG -0.099, -0.165 S S) ------------------------------------------------------------------------------------------------------------------------------------ 11 NGC1916 WFC3/UVI ACCUM UVIS1 F606W 1 408 S (408 POS TARG 0.059, -0.095 S S) ------------------------------------------------------------------------------------------------------------------------------------ 12 NGC1916 WFC3/UVI ACCUM UVIS1 F606W 1 408 S (408 POS TARG 0.218, -0.024 S S) ------------------------------------------------------------------------------------------------------------------------------------ 13 NGC1916 WFC3/UVI ACCUM UVIS1 F606W 1 407 S (407 POS TARG 0.158, 0.070 S S) ------------------------------------------------------------------------------------------------------------------------------------ 14 NGC1916 WFC3/UVI ACCUM UVIS1 F606W 1 407 S (407 POS TARG 0.099, 0.165 S S) ------------------------------------------------------------------------------------------------------------------------------------ 16361( 3) - 10-Jan-2022 12:40:14 - [ 9] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ NGC1916 1 WFC3/UVI ACCUM UVIS1 F814W none none none none 1 N/A S ANY 2 ACS/WFC ACCUM WFC1 F814W none none none none 1 N/A NGC1916 3 WFC3/UVI ACCUM UVIS1 F814W none none none none 1 N/A S ANY 4 ACS/WFC ACCUM WFC1 F814W none none none none 1 N/A NGC1916 5 WFC3/UVI ACCUM UVIS1 F814W none none none none 1 N/A S ANY 6 ACS/WFC ACCUM WFC1 F814W none none none none 1 N/A NGC1916 7 WFC3/UVI ACCUM UVIS1 F814W none none none none 1 N/A S ANY 8 ACS/WFC ACCUM WFC1 F606W none none none none 1 N/A NGC1916 9 WFC3/UVI ACCUM UVIS1 F606W none none none none 2 N/A S NGC1916 10 WFC3/UVI ACCUM UVIS1 F606W none none none none 2 N/A S NGC1916 11 WFC3/UVI ACCUM UVIS1 F606W none none none none 2 N/A S NGC1916 12 WFC3/UVI ACCUM UVIS1 F606W none none none none 2 N/A S NGC1916 13 WFC3/UVI ACCUM UVIS1 F606W none none none none 2 N/A S NGC1916 14 WFC3/UVI ACCUM UVIS1 F606W none none none none 2 N/A S 16361( 3) - 10-Jan-2022 12:40:14 - [ 10] Visit: 04 (1916_UV) Visit Requirements: AFTER 03 BY 0 H TO 3 H On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 NGC1916 WFC3/UVI ACCUM UVIS1 F300X FLASH=7 1 953 S (953 PAR 2-3 WITH 1 S S) ------------------------------------------------------------------------------------------------------------------------------------ 2 ANY ACS/WFC ACCUM WFC1 F606W 1 350 S (350 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 ANY ACS/WFC ACCUM WFC1 F606W 1 350 S (350 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 NGC1916 WFC3/UVI ACCUM UVIS1 F300X FLASH=7 1 920 S (920 POS TARG 0.218, -0.024; S S) PAR 5 WITH 4 ------------------------------------------------------------------------------------------------------------------------------------ 5 ANY ACS/WFC ACCUM WFC1 F814W 1 600 S (600 S) ------------------------------------------------------------------------------------------------------------------------------------ 6 NGC1916 WFC3/UVI ACCUM UVIS1 F300X FLASH=7 1 920 S (920 POS TARG 0.158, 0.070; S S) PAR 7 WITH 6 ------------------------------------------------------------------------------------------------------------------------------------ 7 ANY ACS/WFC ACCUM WFC1 F814W 1 600 S (600 S) ------------------------------------------------------------------------------------------------------------------------------------ 8 NGC1916 WFC3/UVI ACCUM UVIS1 F300X FLASH=7 1 917 S (917 POS TARG -0.099, -0.165; S S) PAR 9-10 WITH 8 ------------------------------------------------------------------------------------------------------------------------------------ 9 ANY ACS/WFC ACCUM WFC1 F606W 1 335 S (335 S) ------------------------------------------------------------------------------------------------------------------------------------ 10 ANY ACS/WFC ACCUM WFC1 F606W 1 340 S (340 S) ------------------------------------------------------------------------------------------------------------------------------------ 11 NGC1916 WFC3/UVI ACCUM UVIS1 F300X FLASH=7 1 900 S (900 POS TARG 0.099, 0.165; S S) PAR 12 WITH 11 ------------------------------------------------------------------------------------------------------------------------------------ 12 ANY ACS/WFC ACCUM WFC1 F814W 1 600 S (600 S) ------------------------------------------------------------------------------------------------------------------------------------ 13 NGC1916 WFC3/UVI ACCUM UVIS1 F300X FLASH=7 1 900 S (900 POS TARG 0.059, -0.095; S S) PAR 14-15 WITH 13 ------------------------------------------------------------------------------------------------------------------------------------ 14 ANY ACS/WFC ACCUM WFC1 F606W 1 340 S (340 S) ------------------------------------------------------------------------------------------------------------------------------------ 16361( 3) - 10-Jan-2022 12:40:14 - [ 11] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 15 ANY ACS/WFC ACCUM WFC1 F606W 1 340 S (340 S) ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ NGC1916 1 WFC3/UVI ACCUM UVIS1 F300X none none none none 1 N/A S ANY 2 ACS/WFC ACCUM WFC1 F606W none none none none 1 N/A ANY 3 ACS/WFC ACCUM WFC1 F606W none none none none 1 N/A NGC1916 4 WFC3/UVI ACCUM UVIS1 F300X none none none none 1 N/A S ANY 5 ACS/WFC ACCUM WFC1 F814W none none none none 1 N/A NGC1916 6 WFC3/UVI ACCUM UVIS1 F300X none none none none 1 N/A S ANY 7 ACS/WFC ACCUM WFC1 F814W none none none none 1 N/A NGC1916 8 WFC3/UVI ACCUM UVIS1 F300X none none none none 2 N/A S ANY 9 ACS/WFC ACCUM WFC1 F606W none none none none 2 N/A ANY 10 ACS/WFC ACCUM WFC1 F606W none none none none 2 N/A NGC1916 11 WFC3/UVI ACCUM UVIS1 F300X none none none none 2 N/A S ANY 12 ACS/WFC ACCUM WFC1 F814W none none none none 2 N/A NGC1916 13 WFC3/UVI ACCUM UVIS1 F300X none none none none 2 N/A S ANY 14 ACS/WFC ACCUM WFC1 F606W none none none none 2 N/A ANY 15 ACS/WFC ACCUM WFC1 F606W none none none none 2 N/A 16361( 3) - 10-Jan-2022 12:40:14 - [ 12] Visit: 05 (1754_VI) Visit Requirements: On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 NGC1754 WFC3/UVI ACCUM UVIS1 F814W 1 657 S (657 PAR 2 WITH 1 S S) ------------------------------------------------------------------------------------------------------------------------------------ 2 ANY ACS/WFC ACCUM WFC1 F814W 1 550 S (550 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 NGC1754 WFC3/UVI ACCUM UVIS1 F814W 1 700 S (700 POS TARG -0.099, -0.165; S S) PAR 4 WITH 3 ------------------------------------------------------------------------------------------------------------------------------------ 4 ANY ACS/WFC ACCUM WFC1 F814W 1 600 S (600 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 NGC1754 WFC3/UVI ACCUM UVIS1 F814W 1 700 S (700 POS TARG 0.059, -0.095; S S) PAR 6 WITH 5 ------------------------------------------------------------------------------------------------------------------------------------ 6 ANY ACS/WFC ACCUM WFC1 F814W 1 600 S (600 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 NGC1754 WFC3/UVI ACCUM UVIS1 F814W 1 657 S (657 POS TARG 0.218, -0.024; S S) PAR 8 WITH 7 ------------------------------------------------------------------------------------------------------------------------------------ 8 ANY ACS/WFC ACCUM WFC1 F606W 1 350 S (350 S) ------------------------------------------------------------------------------------------------------------------------------------ 9 NGC1754 WFC3/UVI ACCUM UVIS1 F606W 1 414 S (414 S S) ------------------------------------------------------------------------------------------------------------------------------------ 10 NGC1754 WFC3/UVI ACCUM UVIS1 F606W 1 414 S (414 POS TARG -0.099, -0.165 S S) ------------------------------------------------------------------------------------------------------------------------------------ 11 NGC1754 WFC3/UVI ACCUM UVIS1 F606W 1 414 S (414 POS TARG 0.059, -0.095 S S) ------------------------------------------------------------------------------------------------------------------------------------ 12 NGC1754 WFC3/UVI ACCUM UVIS1 F606W 1 414 S (414 POS TARG 0.218, -0.024 S S) ------------------------------------------------------------------------------------------------------------------------------------ 13 NGC1754 WFC3/UVI ACCUM UVIS1 F606W 1 414 S (414 POS TARG 0.158, 0.070 S S) ------------------------------------------------------------------------------------------------------------------------------------ 14 NGC1754 WFC3/UVI ACCUM UVIS1 F606W 1 415 S (415 POS TARG 0.099, 0.165 S S) ------------------------------------------------------------------------------------------------------------------------------------ 16361( 3) - 10-Jan-2022 12:40:14 - [ 13] Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ NGC1754 1 WFC3/UVI ACCUM UVIS1 F814W none none none none 1 N/A S ANY 2 ACS/WFC ACCUM WFC1 F814W none none none none 1 N/A NGC1754 3 WFC3/UVI ACCUM UVIS1 F814W none none none none 1 N/A S ANY 4 ACS/WFC ACCUM WFC1 F814W none none none none 1 N/A NGC1754 5 WFC3/UVI ACCUM UVIS1 F814W none none none none 1 N/A S ANY 6 ACS/WFC ACCUM WFC1 F814W none none none none 1 N/A NGC1754 7 WFC3/UVI ACCUM UVIS1 F814W none none none none 1 N/A S ANY 8 ACS/WFC ACCUM WFC1 F606W none none none none 1 N/A NGC1754 9 WFC3/UVI ACCUM UVIS1 F606W none none none none 2 N/A S NGC1754 10 WFC3/UVI ACCUM UVIS1 F606W none none none none 2 N/A S NGC1754 11 WFC3/UVI ACCUM UVIS1 F606W none none none none 2 N/A S NGC1754 12 WFC3/UVI ACCUM UVIS1 F606W none none none none 2 N/A S NGC1754 13 WFC3/UVI ACCUM UVIS1 F606W none none none none 2 N/A S NGC1754 14 WFC3/UVI ACCUM UVIS1 F606W none none none none 2 N/A S 16361( 3) - 10-Jan-2022 12:40:14 - [ 14] Visit: 06 (1754_UV) Visit Requirements: AFTER 05 BY 0 H TO 3.25 H On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 NGC1754 WFC3/UVI ACCUM UVIS1 F300X FLASH=7 1 953 S (953 PAR 2-3 WITH 1 S S) ------------------------------------------------------------------------------------------------------------------------------------ 2 ANY ACS/WFC ACCUM WFC1 F606W 1 350 S (350 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 ANY ACS/WFC ACCUM WFC1 F606W 1 350 S (350 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 NGC1754 WFC3/UVI ACCUM UVIS1 F300X FLASH=7 1 939 S (939 POS TARG 0.218, -0.024; S S) PAR 5 WITH 4 ------------------------------------------------------------------------------------------------------------------------------------ 5 ANY ACS/WFC ACCUM WFC1 F814W 1 600 S (600 S) ------------------------------------------------------------------------------------------------------------------------------------ 6 NGC1754 WFC3/UVI ACCUM UVIS1 F300X FLASH=7 1 940 S (940 POS TARG 0.158, 0.070; S S) PAR 7 WITH 6 ------------------------------------------------------------------------------------------------------------------------------------ 7 ANY ACS/WFC ACCUM WFC1 F814W 1 600 S (600 S) ------------------------------------------------------------------------------------------------------------------------------------ 8 NGC1754 WFC3/UVI ACCUM UVIS1 F300X FLASH=7 1 927 S (927 POS TARG -0.099, -0.165; S S) PAR 9-10 WITH 8 ------------------------------------------------------------------------------------------------------------------------------------ 9 ANY ACS/WFC ACCUM WFC1 F606W 1 335 S (335 S) ------------------------------------------------------------------------------------------------------------------------------------ 10 ANY ACS/WFC ACCUM WFC1 F606W 1 340 S (340 S) ------------------------------------------------------------------------------------------------------------------------------------ 11 NGC1754 WFC3/UVI ACCUM UVIS1 F300X FLASH=7 1 927 S (927 POS TARG 0.099, 0.165; S S) PAR 12 WITH 11 ------------------------------------------------------------------------------------------------------------------------------------ 12 ANY ACS/WFC ACCUM WFC1 F814W 1 600 S (600 S) ------------------------------------------------------------------------------------------------------------------------------------ 13 NGC1754 WFC3/UVI ACCUM UVIS1 F300X FLASH=7 1 927 S (927 POS TARG 0.059, -0.095; S S) PAR 14-15 WITH 13 ------------------------------------------------------------------------------------------------------------------------------------ 14 ANY ACS/WFC ACCUM WFC1 F606W 1 340 S (340 S) ------------------------------------------------------------------------------------------------------------------------------------ 16361( 3) - 10-Jan-2022 12:40:14 - [ 15] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 15 ANY ACS/WFC ACCUM WFC1 F606W 1 340 S (340 S) ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ NGC1754 1 WFC3/UVI ACCUM UVIS1 F300X none none none none 1 N/A S ANY 2 ACS/WFC ACCUM WFC1 F606W none none none none 1 N/A ANY 3 ACS/WFC ACCUM WFC1 F606W none none none none 1 N/A NGC1754 4 WFC3/UVI ACCUM UVIS1 F300X none none none none 1 N/A S ANY 5 ACS/WFC ACCUM WFC1 F814W none none none none 1 N/A NGC1754 6 WFC3/UVI ACCUM UVIS1 F300X none none none none 1 N/A S ANY 7 ACS/WFC ACCUM WFC1 F814W none none none none 1 N/A NGC1754 8 WFC3/UVI ACCUM UVIS1 F300X none none none none 2 N/A S ANY 9 ACS/WFC ACCUM WFC1 F606W none none none none 2 N/A ANY 10 ACS/WFC ACCUM WFC1 F606W none none none none 2 N/A NGC1754 11 WFC3/UVI ACCUM UVIS1 F300X none none none none 2 N/A S ANY 12 ACS/WFC ACCUM WFC1 F814W none none none none 2 N/A NGC1754 13 WFC3/UVI ACCUM UVIS1 F300X none none none none 2 N/A S ANY 14 ACS/WFC ACCUM WFC1 F606W none none none none 2 N/A ANY 15 ACS/WFC ACCUM WFC1 F606W none none none none 2 N/A 16361( 3) - 10-Jan-2022 12:40:14 - [ 16] Summary Form for Proposal 16361 Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Apertures UVIS1, WFC1 ------------------------------------------------------------------------------------------------------------------------------------ Configurations ACS/WFC, WFC3/UVIS ------------------------------------------------------------------------------------------------------------------------------------ Opmodes ACCUM ------------------------------------------------------------------------------------------------------------------------------------ Optional Parameters FLASH=7 ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements AFTER 01 BY 0 H TO 3 H, AFTER 03 BY 0 H TO 3 H, AFTER 05 BY 0 H TO 3.25 H, PAR 12 WITH 11, PAR 14-15 WITH 13, PAR 2 WITH 1, PAR 2-3 WITH 1, PAR 4 WITH 3, PAR 5 WITH 4, PAR 6 WITH 5, PAR 7 WITH 6, PAR 8 WITH 7, PAR 9-10 WITH 8, POS TARG -0.099, -0.165, POS TARG 0.059, -0.095, POS TARG 0.099, 0.165, POS TARG 0.158, 0.070, POS TARG 0.218, -0.024 ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements F300X, F606W, F814W ------------------------------------------------------------------------------------------------------------------------------------ Target Names ANY, NGC1754, NGC1835, NGC1916 ------------------------------------------------------------------------------------------------------------------------------------